<div class="row btns-row btns-same-width-lg">
  <div class="col-sm-4 col-6">
    <button type="button" class="btn btn-primary btn-lg">Primary</button>
  </div>
  <div class="col-sm-4 col-6">
    <button type="button" class="btn btn-success btn-lg">Success</button>
  </div>
  <div class="col-sm-4 col-6">
    <button type="button" class="btn btn-info btn-lg">Info</button>
  </div>
  <div class="col-sm-4 col-6">
    <button type="button" class="btn btn-default btn-lg">Default</button>
  </div>
  <div class="col-sm-4 col-6">
    <button type="button" class="btn btn-warning btn-lg">Warning</button>
  </div>
  <div class="col-sm-4 col-6">
    <button type="button" class="btn btn-danger btn-lg">Danger</button>
  </div>
</div>
